Hi Yang, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.12-rc3 next-20241015] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Yang-Li/csky-fix-csky_cmpxchg_fixup-not-working/20241008-134806 base: linus/master patch link: https://lore.kernel.org/r/20241008054615.43062-1-yang.li85200%40gmail.com patch subject: [PATCH] csky: fix csky_cmpxchg_fixup not working config: csky-allnoconfig (https://download.01.org/0day-ci/archive/20241016/202410160952.7oClZ4pG-lkp@xxxxxxxxx/config) compiler: csky-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241016/202410160952.7oClZ4pG-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410160952.7oClZ4pG-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): arch/csky/mm/fault.c: In function 'csky_cmpxchg_fixup': >> arch/csky/mm/fault.c:48:39: warning: comparison between pointer and integer 48 | if (instruction_pointer(regs) == &csky_cmpxchg_stw) | ^~ >> arch/csky/mm/fault.c:49:47: error: passing argument 2 of 'instruction_pointer_set' makes integer from pointer without a cast [-Wint-conversion] 49 | instruction_pointer_set(regs, &csky_cmpxchg_ldw); | ^~~~~~~~~~~~~~~~~ | | | long unsigned int * In file included from arch/csky/include/asm/processor.h:8, from arch/csky/include/asm/thread_info.h:10, from include/linux/thread_info.h:60, from include/asm-generic/current.h:6, from ./arch/csky/include/generated/asm/current.h:1, from include/linux/mutex.h:14, from include/linux/notifier.h:14, from include/linux/kprobes.h:21, from arch/csky/mm/fault.c:5: arch/csky/include/asm/ptrace.h:29:58: note: expected 'long unsigned int' but argument is of type 'long unsigned int *' 29 | unsigned long val) | ~~~~~~~~~~~~~~^~~ vim +/instruction_pointer_set +49 arch/csky/mm/fault.c 34 35 #ifdef CONFIG_CPU_HAS_LDSTEX 36 static inline void csky_cmpxchg_fixup(struct pt_regs *regs) 37 { 38 return; 39 } 40 #else 41 extern unsigned long csky_cmpxchg_ldw; 42 extern unsigned long csky_cmpxchg_stw; 43 static inline void csky_cmpxchg_fixup(struct pt_regs *regs) 44 { 45 if (trap_no(regs) != VEC_TLBMODIFIED) 46 return; 47 > 48 if (instruction_pointer(regs) == &csky_cmpxchg_stw) > 49 instruction_pointer_set(regs, &csky_cmpxchg_ldw); 50 return; 51 } 52 #endif 53 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
